:root {
  --paper: #f3f0e8;
  --ink: #171713;
  --muted: #67665e;
  --rule: #c9c5ba;
  --signal: #ef5b32;
  --dark: #1b1b17;
  --max: 1440px;
  color-scheme: light;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
a:focus-visible { outline: 3px solid var(--signal); outline-offset: 5px; }

.site-header,
.hero,
.work,
.about,
footer {
  width: min(100%, var(--max));
  margin-inline: auto;
  padding-inline: clamp(24px, 5vw, 80px);
}

.site-header {
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--rule);
}
.wordmark {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 600;
  letter-spacing: -0.04em;
  text-decoration: none;
  font-size: 22px;
}
.header-link,
.text-link {
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

.hero {
  min-height: min(800px, calc(100svh - 96px));
  padding-top: clamp(80px, 12vw, 170px);
  padding-bottom: clamp(90px, 12vw, 160px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}
.eyebrow,
.section-number {
  margin: 0;
  color: var(--signal);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
h1, h2, h3 {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.98;
}
h1 {
  max-width: 1050px;
  margin: 28px 0 38px;
  font-size: clamp(58px, 8.7vw, 132px);
}
.hero-copy {
  max-width: 650px;
  margin: 0 0 34px;
  color: #3f3e38;
  font-size: clamp(20px, 2vw, 27px);
  line-height: 1.45;
  letter-spacing: -0.02em;
}
.text-link { font-weight: 500; }
.text-link span { color: var(--signal); }

.work,
.about {
  padding-top: clamp(90px, 10vw, 150px);
  padding-bottom: clamp(100px, 11vw, 170px);
  border-top: 1px solid var(--rule);
}
.section-heading {
  display: grid;
  grid-template-columns: minmax(160px, 1fr) 3fr;
  align-items: start;
  margin-bottom: clamp(65px, 9vw, 125px);
}
.section-heading h2 {
  margin: -6px 0 0;
  font-size: clamp(50px, 6vw, 88px);
}
.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(30px, 4vw, 70px);
  margin-left: 25%;
}
.services article {
  border-top: 2px solid var(--ink);
  padding-top: 24px;
}
.services h3 {
  margin: 0 0 22px;
  font-size: 28px;
  letter-spacing: -0.035em;
}
.services p,
.about-copy p { margin: 0; color: var(--muted); }

.principle {
  width: 100%;
  min-height: 580px;
  padding: clamp(90px, 12vw, 180px) max(24px, calc((100vw - var(--max)) / 2 + clamp(24px, 5vw, 80px)));
  background: var(--dark);
  color: var(--paper);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.principle p {
  margin: 0;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: clamp(48px, 7.3vw, 108px);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1.05;
}
.principle p:last-child { color: var(--signal); }

.about-copy {
  max-width: 790px;
  margin-left: 25%;
  display: grid;
  gap: 30px;
  font-size: clamp(21px, 2.15vw, 29px);
  line-height: 1.45;
  letter-spacing: -0.025em;
}

.contact {
  min-height: 630px;
  background: var(--signal);
  color: var(--ink);
  padding: clamp(70px, 9vw, 130px) max(24px, calc((100vw - var(--max)) / 2 + clamp(24px, 5vw, 80px)));
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.contact .section-number { color: var(--ink); }
.contact h2 {
  max-width: 1080px;
  margin: 80px 0;
  font-size: clamp(52px, 7.8vw, 116px);
}
.contact-link {
  align-self: flex-start;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: clamp(22px, 2.4vw, 34px);
  font-weight: 500;
  letter-spacing: -0.035em;
  text-decoration-thickness: 2px;
  text-underline-offset: 8px;
}

footer {
  min-height: 130px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  color: var(--muted);
  font-size: 14px;
}
footer p { margin: 0; }

@media (max-width: 760px) {
  body { font-size: 16px; }
  .site-header { height: 76px; }
  .wordmark { font-size: 20px; }
  .hero { min-height: calc(100svh - 76px); padding-top: 70px; }
  h1 { font-size: clamp(54px, 16vw, 78px); margin-top: 24px; }
  .hero-copy { font-size: 20px; }
  .section-heading { display: block; }
  .section-heading h2 { margin-top: 22px; }
  .services,
  .about-copy { margin-left: 0; }
  .services { grid-template-columns: 1fr; gap: 55px; }
  .principle { min-height: 470px; }
  .contact { min-height: 560px; }
  footer { padding-block: 36px; display: block; }
  footer p + p { margin-top: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}